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At just 21 years old and just 24 days as a professional golfer, Jackson Koivun can consider himself a PGA Tour winner.
And he held off Scottie Scheffler, the world’s No. 1 golfer, to do so on Sunday at the 3M Open at TPC Twin Cities in Minnesota.
Koivun shot 5 under in his final round to shoot 25 under and win the tournament, while Scheffler’s final round of 8 under wasn’t enough as he finished three shots behind a golfer who could soon become a household name.
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Jackson Koivun of the United States plays a shot from the second tee during the final round of the 3M Open at TPC Twin Cities on July 26, 2026, in Blaine, Minnesota. (Getty Images)
Koivun propelled himself into prime position to win the tournament when he posted a 10-under 61 on Saturday in the third round to improve to 20-under 61 for the tournament. It was also a tournament record during the round, as his 28 on the back nine was the highest score ever recorded on those holes.
It was clear he was focused on winning in his final round, especially after going 3 under through his first six holes of the day.
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Koivun would make two birdies on the back nine and finish with a bogey-free final round to put the icing on his breakout tournament from his very early PGA Tour career.
Now, after turning professional earlier this month, Koivun just cashed a check for $1.584 million for winning what he hopes will be the first of many PGA Tour events.

Jackson Koivun of the United States walks to the 18th green during the final round of the 3M Open at TPC Twin Cities in Blaine, Minnesota, July 26, 2026. (Getty Images)
“All over the crowd I kept hearing, ‘Scottie is coming, Scottie is coming,'” Koivun admitted after his victory on the CBS broadcast. “I just tried to tone it down and continue to play the golf I knew I could.”
It’s hard to lock in when Scheffler climbs the rankings, because it usually ends in his favor. After going 3 under on the front nine, Scheffler turned his putter into gold in the final round on the turn, draining birdie putts on the first three holes of the back nine. He calmed down, if you want to call it that, before hitting two of his last three holes to give himself a chance.
Koivun didn’t blink, making par on his final two holes, including the par-5 18th, where he naturally raised his fist after draining a final par putt to seal the victory.

Jackson Koivun of the United States waves to the crowd after making a birdie on the fourth green during the final round of the 3M Open at TPC Twin Cities on July 26, 2026, in Blaine, Minnesota. (Getty Images)
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Winning isn’t anything new for the former world’s top amateur, but it’s a different feeling when he competes on the PGA Tour for the first time.
“I love this game. I love golf, it’s all I do. I’m having a hard time getting through it,” he said. “…It was love at first sight.”




